<template>
	<view>
		<view class="px-2 py-4" style="border-top: 1px solid #f6f6f6;">
			<rich-text :nodes="detail.withdraw_rule|formatRichText"></rich-text>
		</view>
	</view>
</template>

<script>
	import request from '@/common/lib/request.js'
	export default {
		data() {
			return {
				detail:''
			};
		},
		onLoad:function(option){
			uni.request({
				url: request.common.baseUrl+'/api/index/systemSet',
				data: {},
				header: {
					'Content-Type':'application/json;charset=UTF-8',
					'Content-Type':'application/x-www-form-urlencoded'
				},
				success: (res) => {
					if(res.data.code==200){
						this.detail=res.data.data
					}
				}
			});
		},
		methods: {},
		filters: {
			/**
			 * 处理富文本里的图片宽度自适应
			 * 1.去掉img标签里的style、width、height属性
			 * 2.img标签添加style属性：max-width:100%;height:auto
			 * 3.修改所有style里的width属性为max-width:100%
			 * 4.去掉<br/>标签
			 * @param html
			 * @returns {void|string|*}
			 */
			formatRichText (html) { //控制小程序中图片大小
			    let newContent= html.replace(/<img[^>]*>/gi,function(match,capture){
			        match = match.replace(/style="[^"]+"/gi, '').replace(/style='[^']+'/gi, '');
			        match = match.replace(/width="[^"]+"/gi, '').replace(/width='[^']+'/gi, '');
			        match = match.replace(/height="[^"]+"/gi, '').replace(/height='[^']+'/gi, '');
			        return match;
			    });
			    newContent = newContent.replace(/style="[^"]+"/gi,function(match,capture){
			        match = match.replace(/width:[^;]+;/gi, 'max-width:100%;').replace(/width:[^;]+;/gi, 'max-width:100%;');
			        return match;
			    });
			    newContent = newContent.replace(/<br[^>]*\/>/gi, '');
			    newContent = newContent.replace(/\<img/gi, '<img style="max-width:100%;height:auto;display:inline-block;margin:10rpx auto;"');
			    return newContent;
			}	
		}
	};
</script>

<style></style>
